Question

designer dolls, inc found that the number of dolls sold, n, varies directly as their advertising budget, a, and inversely as the price of each doll, p. designer dolls, inc. sold 12,000 dolls when $50,000 was spent on advertising and the price of the doll was set at $50. determine te number of dolls sold when the amount spent on advertising is increased to $65,000.

a. 15,600
b. 1,300
c. 2,880
d. 15,120

Answer 1

whats k? and p? :c

Answer 2

\[n=\frac{ka}{p}\]

Answer 3

n= number of dolls sold
k = constant of variation
a = advertising budget
p = price of each doll
Plug in the given information and find k

Answer 4

Thanks :D

Answer 5

Did you find k?

Answer 6

wait how would you find k? o_o im confused x_x

Answer 7

\[12000=\frac{k(50000)}{50}\]